Square Root

A perfect square is a number whose square root is ___________.

• Even

• irrational

• Rational

• Odd

Estimate the square root.

• 4

• 5

• 6

• 7

Which number is irrational?

• 9.6

• √45

• 3/8

• 3.4 x 10 ⁵

What is the approximate value of √12

• 2

• 3.5

• 4.5

• 6

169

• Is a perfect square.

• Is not a perfect square.

Which number is rational below?

• √20

• √64

• 6π

• √7

What is the square root of 64?

• a) 24

• b) 8

• c) 10

• d) 2

What is the square root of 100?

• 10

• 11

• 20

• 22

What is the square root of 121?

• a) 11

• b) 12

• c) 13

• d) 54

What is the square root of 144?

• a) 42

• b) 12

• c) 44

• d) 14